BE773076A - TOBACCO SMOKE FILTER AND ITS USE - Google Patents

TOBACCO SMOKE FILTER AND ITS USE

Info

Publication number: BE773076A
Authority: BE; Belgium
Prior art keywords: tobacco smoke; smoke filter; filter; tobacco; smoke
Prior art date: 1970-09-25

Application number

BE773076A

Other languages

French (fr)

Inventor

E F Litzinger

Original Assignee

British American Tobacco Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1970-09-25

Filing date

1971-09-24

Publication date

1972-03-24

1971-09-24 Application filed by British American Tobacco Co filed Critical British American Tobacco Co

1972-03-24 Publication of BE773076A publication Critical patent/BE773076A/en

Links

Classifications

- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/12—Use of materials for tobacco smoke filters of ion exchange materials

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

BE773076A 1970-09-25 1971-09-24 TOBACCO SMOKE FILTER AND ITS USE BE773076A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US7577270A	1970-09-25	1970-09-25

Publications (1)

Publication Number	Publication Date
BE773076A true BE773076A (en)	1972-03-24

Family

ID=22127886

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE773076A BE773076A (en)	1970-09-25	1971-09-24	TOBACCO SMOKE FILTER AND ITS USE

Country Status (11)

Country	Link
US (1)	US3716500A (en)
AU (1)	AU446726B2 (en)
BE (1)	BE773076A (en)
BR (1)	BR7106055D0 (en)
CA (1)	CA945451A (en)
CH (1)	CH544515A (en)
DK (1)	DK130862B (en)
FI (1)	FI51892C (en)
GB (1)	GB1315068A (en)
NL (1)	NL168696C (en)
ZA (1)	ZA716418B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6779529B2 (en) *	2001-08-01	2004-08-24	Brown & Williamson Tobacco Corporation	Cigarette filter
US20030066539A1 (en) *	2001-08-01	2003-04-10	Figlar James N.	Cigarette Filter
CN103908954A (en) *	2014-03-31	2014-07-09	河南中烟工业有限责任公司	Resin material for reducing hydrocyanic acid release quantity in smoke as well as preparation method thereof

1970
- 1970-09-25 US US00075772A patent/US3716500A/en not_active Expired - Lifetime
1971
- 1971-07-30 CA CA119,546A patent/CA945451A/en not_active Expired
- 1971-08-24 GB GB3968971A patent/GB1315068A/en not_active Expired
- 1971-09-15 BR BR6055/71A patent/BR7106055D0/en unknown
- 1971-09-20 FI FI712619A patent/FI51892C/en active
- 1971-09-20 CH CH1371971A patent/CH544515A/en not_active IP Right Cessation
- 1971-09-23 NL NLAANVRAGE7113121,A patent/NL168696C/en not_active IP Right Cessation
- 1971-09-23 AU AU33832/71A patent/AU446726B2/en not_active Expired
- 1971-09-24 DK DK466871AA patent/DK130862B/en not_active IP Right Cessation
- 1971-09-24 ZA ZA716418A patent/ZA716418B/en unknown
- 1971-09-24 BE BE773076A patent/BE773076A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
US3716500A (en)	1973-02-13
AU446726B2 (en)	1974-03-28
FI51892C (en)	1977-05-10
AU3383271A (en)	1973-03-29
CH544515A (en)	1973-11-30
CA945451A (en)	1974-04-16
DK130862C (en)	1975-09-29
ZA716418B (en)	1972-06-28
NL7113121A (en)	1972-03-28
GB1315068A (en)	1973-04-26
DK130862B (en)	1975-04-28
DE2148036B2 (en)	1976-04-01
FI51892B (en)	1977-01-31
DE2148036A1 (en)	1972-03-30
BR7106055D0 (en)	1973-04-12
NL168696C (en)	1982-05-17
NL168696B (en)	1981-12-16

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Legal Events

Date

Code

Title

Description

1991-03-31

RE

Patent lapsed

Owner name: BRITISH AMERICAN TOBACCO CY LTD

Effective date: 19900930